AP Physics 1 Question 53: Answer and Explanation

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Question: 53


During which segment is the magnitude of average acceleration greatest?

  • A. AB
  • B. BC
  • C. CD
  • D. DE

Correct Answer: C


C Acceleration is the change in velocity divided by the change in time. We found the changes in velocity for each segment in the previous question, and the times for each segment are, in order, 3 s, 2 s, 1 s, 3 s, and 2 s. Divide the results in the previous question by these values, and the highest result (ignoring sign because the problem specifies magnitude only) is for segment CD.